September 2017 – Dental Knowledge

Fixed Prosthodontics

Finish Lines of a Crown Preparation

10 Sep 2017March 9, 2018

The margins of crowns preparations in fixed Prosthodontics are place in three positions Supragingival Equigingival Subgingival Advantages supra-gingival finish line: It is conducive for better periodontal health It facilitates accurate…

Fixed Prosthodontics

Finish line in Crown & Bridge Preparation

10 Sep 2017March 9, 2018

Shoulder Finish Line Indications All ceramic crowns Porcelain fused to metal crown Injectable porcelain Advantages Good contour of crowns Improved Aesthetics Less distortion of crown Provides adequate bulk to the…

Burs Used to Prepare Different Types of Finish Line of A Crown

9 Sep 2017March 9, 2018

Different types of burs are used to prepare different type of margins of a crown preparations. They are as follows: Chamfer Finish Line: The round and tapered cylinder and…

Comparative composition of the major mineralized tissues of teeth

5 Sep 2017March 9, 2018

Cementum is the least mineralized of the 3 calcified dental tissues, but is more mineralized than bone, as shown in the following table. (From Schroeder, H.E.,1991) % BY WEIGHT ENAMEL DENTIN…